-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 thus Timo Schoeler spake: > thus Farkas Levente spake: >> On 03/22/2010 12:12 PM, Timo Schoeler wrote: >>> -----BEGIN PGP SIGNED MESSAGE----- >>> Hash: SHA1 >>> >>> thus Farkas Levente spake: >>>> On 03/22/2010 12:03 PM, Timo Schoeler wrote: >>>>> Hi list, >>>>> >>>>> due to the necessity of having a patched KVM running, I build some new >>>>> RPMs. However, only >>>>> >>>>> kmod-kvm-83-105.27.x86_64.rpm >>>>> >>>>> is important to replace the 'original' one as it's the only package that >>>>> contains the patch. I didn't rename the packages, though, hopefully in >>>>> order not to break the upgrade path provided to us. >>>>> >>>>> The patch adresses following problem: >>>>> >>>>> 'Fix a race condition where qemu finds that there are not enough virtio >>>>> ring buffers available and the guest make more buffers available before >>>>> qemu can enable notifications.' [0], the thread startet as 'network >>>>> shutdown under heavy load' [1]. >>>>> >>>>> KVM already contains the fix (since February 19th, IIRC), CentOS' >>>>> packages doesn't. >>>>> >>>>> The RPMs can be found here: >>>>> >>>>> http://www.riscworks.net/CentOS/KVM/fix-virt-io-ring-buffer-race/ >>>> does it have an upstream (redhat) bugzilla entry? >>>> it'd be better if they fix it... >>> Sure, but we had the problem that it constantly crashed several >>> customer's domUs, so we had to fix it ASAP. Just wanted to make it more >>> convenient for people that have the same problem and can _not_ wait >>> until it's fixed upstream. >> then at least and src.rpm would be useful... > > Okay, I'll see when I got time to create one... > > Timo Done, can be found in http://www.riscworks.net/CentOS/KVM/fix-virt-io-ring-buffer-race/SRPM now. Timo -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.5 (GNU/Linux) iD8DBQFLqbqifg746kcGBOwRAvwiAJ9hqwVw7bQ3LtYOyu3uwoQMUsxzmACfS/fn aEiJv9xg8HS7BDqcMloTrhs= =2qZP -----END PGP SIGNATURE-----